/*
 * Copyright 2002-present the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.graphql.client;

import org.springframework.graphql.GraphQlRequest;
import org.springframework.graphql.GraphQlResponse;


/**
 * Contract for blocking execution of GraphQL requests over some transport.
 *
 * @author Rossen Stoyanchev
 * @since 1.3.0
 * @see GraphQlClient.SyncBuilder
 */
public interface SyncGraphQlTransport {

	/**
	 * Execute a request with a single response such as a "query" or "mutation".
	 * @param request the request to execute
	 * @return the {@code GraphQlResponse} for the response.
	 * @throws GraphQlTransportException in case of errors due to transport or
	 * other issues related to encoding and decoding the request and response.
	 */
	GraphQlResponse execute(GraphQlRequest request);

}
